Research Stories

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nanomaterials, green concrete, CityU scholar
Professor Liew Kim-meow, a renowned engineer and Chair Professor in the Department of Architecture and Civil Engineering at City University of Hong Kong (CityU), has been elected Foreign Member of the Academia Europaea for his significant contributions in engineering science.
Dr Hsu
Hybrid organic–inorganic perovskite can be used in photocatalytic hydrogen generation. However, the traditional lead-based perovskite contains the toxic metal lead, therefore its application is hindered. Recently, a joint research team led by a scientist from City University of Hong Kong (CityU) has achieved a breakthrough in fabricating a novel lead-free perovskite material with a special structure.
OEK, electrokinetics
A novel method developed by a joint research team led by a scientist from City University of Hong Kong (CityU) can identify gastric cancer cells within minutes. This fast method with high sensitivity brings hope in speeding up the diagnosis of gastric cancer.
Tencent’s Xplorer Prize, water energy harvesting
Professor Wang Zuankai of City University of Hong Kong (CityU) won the 2020 Xplorer Prize organised by the Tencent Foundation for his fundamental research on water energy harvesting. He will continue his research on energy harvesting as well as nature-inspired engineering with the awarded grant.
perovskite solar cells
While the power conversion efficiency of perovskite solar cells (PVSCs) – a future of solar cells – has already greatly improved in the past decade, the problems of instability and potential environmental impact are yet to be overcome. Recently, scientists from City University of Hong Kong (CityU) have developed a novel method which can simultaneously tackle the leakage of lead from PVSCs and the stability issue without compromising efficiency, paving the way for real-life application of perovskite photovoltaic technology.
white graphene
Because of their unique physical, chemical, electrical and optical properties, two-dimensional (2D) materials have attracted tremendous attention in the past decades. After revealing the realistic strength and stretchability of graphene, nicknamed “black gold”, researchers from City University of Hong Kong (CityU) have carried forward the success by unveiling the high defect tolerance and elasticity of hexagonal boron nitride (h-BN), another 2D material known as “white graphene”.
graphene mask
Face masks have become an important tool in fighting against the COVID-19 pandemic. However, improper use or disposal of masks may lead to “secondary transmission”. A research team from City University of Hong Kong (CityU) has successfully produced graphene masks with an anti-bacterial efficiency of 80%, which can be enhanced to almost 100% with exposure to sunlight for around 10 minutes.
RGC research fellow schemes
Four outstanding scholars from City University of Hong Kong (CityU) have been selected as awardees of the inaugural Senior Research Fellow Scheme (SRFS) and Research Fellow Scheme (RFS) under the Research Grants Council (RGC), being granted a sum of more than HK$23 million as research funding. The acknowledgement of their research achievements is testimony to CityU’s research strengths and recognition of the University’s efforts in fostering interdisciplinary research.
spider-capture silk
Recently, a research team from City University of Hong Kong (CityU) has fabricated a fibre mimicking the structural properties of the natural spider-capture-silk. The fabricated all silk-protein fibre is very light, with a diameter even much smaller than a human hair. More importantly, its extraordinary directional water collection capability offers potential for its application in outdoor water collection or even as biomedical materials.
mhealth technology
The Covid-19 pandemic has put enormous pressure on the healthcare system globally. An International Task Force including the cerebro-cardiovascular health engineering expert from City University of Hong Kong (CityU) was led by the team of Harvard Medical School at Spaulding Rehabilitation Hospital, Boston, USA and published jointly a study on the roles of mobile health (mHealth) technologies amid the Covid-19 pandemic. It is concluded that wearable-based mHealth technologies could be used to monitor Covid-19 patients and predict symptom escalation for earlier intervention.
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